Digital wallet battery



FIG. 1 is a front, bottom, and right side perspective view of a digital wallet battery;

FIG. 2 is a rear, bottom, and left side perspective view thereof;

FIG. 3 is a bottom elevational view thereof;

FIG. 4 is a top elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a right side elevational view thereof;

FIG. 7 is a front plan view thereof; and,

FIG. 8 is a rear plan view thereof. 

CLAIM The ornamental design for a digital wallet battery, as shown and described. 